nvidia-tegra-modules.git/drivers/thermal/userspace_alert.c, branch gpu-paging NVIDIA's kernel modules to support tegra chips (used in Jetson boards) thermal: userspace_alert: Fix automatic loading of userspace_alert 2021-04-16T15:10:28+00:00 Jon Hunter jonathanh@nvidia.com 2021-04-13T13:30:12+00:00 1eceeacf73b14e3684457e4e828bd572077e6ad6 The userspace_alert driver is not automatically loaded on boot because the MODULE_DEVICE_TABLE definition for the driver is missing. Add the MODULE_DEVICE_TABLE for the userspace_alert driver so that the modalias is created and the driver is automatically loaded on boot. JIRA LS-32 Bug 200721211 Change-Id: I2cca5bd4118ab593b5aa9ceea606eddcf190ca7d Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2514231 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The userspace_alert driver is not automatically loaded on boot because
the MODULE_DEVICE_TABLE definition for the driver is missing. Add the
MODULE_DEVICE_TABLE for the userspace_alert driver so that the modalias
is created and the driver is automatically loaded on boot.

JIRA LS-32
Bug 200721211

Change-Id: I2cca5bd4118ab593b5aa9ceea606eddcf190ca7d
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2514231
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
thermal: userspace_alert: print state transition 2020-10-30T12:39:51+00:00 Leon Yu leoyu@nvidia.com 2020-10-29T07:25:42+00:00 e3111950da098ab031a0928c3b4749786c444ceb On systems where userspace_alert is enabled and configured, it is desirable to print out cooling state transition of these cooling devices. Doing so can be informative and ease debugging cases where alert is configured to signal thermal throttling. Bug 1688327 Signed-off-by: Leon Yu <leoyu@nvidia.com> Change-Id: I8b20b9807950c09240c3275c8551e8d76862870b Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2438326 Reviewed-by: automaticguardword <automaticguardword@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
On systems where userspace_alert is enabled and configured, it is
desirable to print out cooling state transition of these cooling
devices. Doing so can be informative and ease debugging cases where
alert is configured to signal thermal throttling.

Bug 1688327

Signed-off-by: Leon Yu <leoyu@nvidia.com>
Change-Id: I8b20b9807950c09240c3275c8551e8d76862870b
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2438326
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
thermal: userspace_alert: fix false positive alert 2020-10-28T10:38:43+00:00 Leon Yu leoyu@nvidia.com 2020-10-20T07:24:21+00:00 0cfefd7fd7c86cab5232e03a4b4d3294af0282f9 The driver can send false alert during suspend where kernel will send signal to userspace processes in order to freeze them. Therefore we should check if the waking condition is indeed met, otherwise -ERESTARTSYS should be returned so that the syscall can restarted transparently after resume. Bug 200666953 Signed-off-by: Leon Yu <leoyu@nvidia.com> Change-Id: I5e3736edbc0093551ef4242e4c5350786bdbb830 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2430413 Reviewed-by: automaticguardword <automaticguardword@nvidia.com> Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com> Reviewed-by: Karthik Mantravadi <mkarthik@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The driver can send false alert during suspend where kernel will send
signal to userspace processes in order to freeze them. Therefore we
should check if the waking condition is indeed met, otherwise
-ERESTARTSYS should be returned so that the syscall can restarted
transparently after resume.

Bug 200666953

Signed-off-by: Leon Yu <leoyu@nvidia.com>
Change-Id: I5e3736edbc0093551ef4242e4c5350786bdbb830
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2430413
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
Reviewed-by: Karthik Mantravadi <mkarthik@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
nvidia: thermal: Make cooling devices DT dependent 2018-08-16T11:45:47+00:00 Manish Bhardwaj mbhardwaj@nvidia.com 2018-08-02T10:06:54+00:00 954399f581e915aa70ae36e75b1770bed2276e4d Make cooling devices use "of handle" based registration Bug 2297670 Change-Id: I09c09e3643534f51ae8cba32e889d9af75aa0861 Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1791076 Reviewed-by: Abhijit . <abhijit@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Make cooling devices use "of handle" based registration

Bug 2297670

Change-Id: I09c09e3643534f51ae8cba32e889d9af75aa0861
Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1791076
Reviewed-by: Abhijit . <abhijit@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
thermal: Add userspace-alert cooling device 2018-08-02T09:34:19+00:00 sreenivasulu velpula svelpula@nvidia.com 2017-05-16T13:15:47+00:00 8be8441aac862b726faf87874bf3ea4f964a758a Provides the facility for userspace to know whether thermal alert occurred or not for a particular temperature trip value. This is supported by adding a SW thermal cooling device. This change includes multiple changes on top of change I6711adf469b85ad3a5470e3ad8ac70d83b102b17 Bug 1832737 Change-Id: I69c06f41b6681ad67360cacfa57c90223eca45c5 Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com> Reviewed-on: http://git-master/r/1260802 (cherry picked from commit ba7a0d5d53d7d62de728a8b43aabd98bf5f60b58) Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com> Reviewed-on: http://git-master/r/1483078 Reviewed-by: Vipin Kumar <vipink@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Timo Alho <talho@nvidia.com> 
Provides the facility for userspace to know whether thermal alert
occurred or not for a particular temperature trip value.
This is supported by adding a SW thermal cooling device.

This change includes multiple changes on top of
change I6711adf469b85ad3a5470e3ad8ac70d83b102b17

Bug 1832737

Change-Id: I69c06f41b6681ad67360cacfa57c90223eca45c5
Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com>
Reviewed-on: http://git-master/r/1260802
(cherry picked from commit ba7a0d5d53d7d62de728a8b43aabd98bf5f60b58)
Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com>
Reviewed-on: http://git-master/r/1483078
Reviewed-by: Vipin Kumar <vipink@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Timo Alho <talho@nvidia.com>